ABAP Select data from SAP table CDS_M_OA_SOS_B into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CDS_M_OA_SOS_B table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to CDS_M_OA_SOS_B. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the CDS_M_OA_SOS_B table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_CDS_M_OA_SOS_B TYPE STANDARD TABLE OF CDS_M_OA_SOS_B,
      WA_CDS_M_OA_SOS_B TYPE CDS_M_OA_SOS_B,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <CDS_M_OA_SOS_B> TYPE CDS_M_OA_SOS_B.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CDS_M_OA_SOS_B.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CDS_M_OA_SOS_B
  INTO TABLE IT_CDS_M_OA_SOS_B.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CDS_M_OA_SOS_B
*  INTO TABLE @DATA(IT_CDS_M_OA_SOS_B2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_CDS_M_OA_SOS_B INDEX 1 INTO DATA(WA_CDS_M_OA_SOS_B2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CDS_M_OA_SOS_B ASSIGNING <CDS_M_OA_SOS_B>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CDS_M_OA_SOS_B>-MANDT = 1.
<CDS_M_OA_SOS_B>-MATNR = 1.
<CDS_M_OA_SOS_B>-EMATN = 1.
<CDS_M_OA_SOS_B>-WERKS = 1.
<CDS_M_OA_SOS_B>-VDATU = 1.

ENDLOOP.

LOOP AT IT_CDS_M_OA_SOS_B INTO WA_CDS_M_OA_SOS_B.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CDS_M_OA_SOS_B-BDATU, sy-vline,
  WA_CDS_M_OA_SOS_B-LIFNR, sy-vline,
  WA_CDS_M_OA_SOS_B-BSTMI, sy-vline,
  WA_CDS_M_OA_SOS_B-BSTMA, sy-vline,
  WA_CDS_M_OA_SOS_B-AUT_SOURCE, sy-vline,
  WA_CDS_M_OA_SOS_B-EBELN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CDS_M_OA_SOS_B you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_CDS_M_OA_SOS_B TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_CDS_M_OA_SOS_B INTO WA_CDS_M_OA_SOS_B.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field EMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-EMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-EMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EMLIF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-EMLIF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-EMLIF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_CDS_M_OA_SOS_B-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CDS_M_OA_SOS_B-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CDS_M_OA_SOS_B_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
EMATN TYPE STRING,
WERKS TYPE STRING,
VDATU TYPE STRING,
BDATU TYPE STRING,
LIFNR TYPE STRING,
BSTMI TYPE STRING,
BSTMA TYPE STRING,
AUT_SOURCE TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
BSTYP TYPE STRING,
PSTYP TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
LGORT TYPE STRING,
MATKL TYPE STRING,
RESWK TYPE STRING,
RESLO TYPE STRING,
SOBKZ TYPE STRING,
WEBAZ TYPE STRING,
PLIFZ TYPE STRING,
VERID TYPE STRING,
EMLIF TYPE STRING,
LBLKZ TYPE STRING,
LPHIS TYPE STRING,
RDPRF TYPE STRING,
KNTTP TYPE STRING,
KZVBR TYPE STRING,
KANBA TYPE STRING,
PRIORITY TYPE STRING,
PROCSTAT TYPE STRING,
VBELN TYPE STRING,
VBELP TYPE STRING,
ZEKKN TYPE STRING,
PS_PSP_PNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CDS_M_OA_SOS_B_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_CDS_M_OA_SOS_B_STR-MANDT sy-vline 
WA_CDS_M_OA_SOS_B_STR-MATNR sy-vline 
WA_CDS_M_OA_SOS_B_STR-EMATN sy-vline 
WA_CDS_M_OA_SOS_B_STR-WERKS sy-vline 
WA_CDS_M_OA_SOS_B_STR-VDATU sy-vline 
WA_CDS_M_OA_SOS_B_STR-BDATU sy-vline 
WA_CDS_M_OA_SOS_B_STR-LIFNR sy-vline 
WA_CDS_M_OA_SOS_B_STR-BSTMI sy-vline 
WA_CDS_M_OA_SOS_B_STR-BSTMA sy-vline 
WA_CDS_M_OA_SOS_B_STR-AUT_SOURCE sy-vline 
WA_CDS_M_OA_SOS_B_STR-EBELN sy-vline 
WA_CDS_M_OA_SOS_B_STR-EBELP sy-vline 
WA_CDS_M_OA_SOS_B_STR-BSTYP sy-vline 
WA_CDS_M_OA_SOS_B_STR-PSTYP sy-vline 
WA_CDS_M_OA_SOS_B_STR-EKORG sy-vline 
WA_CDS_M_OA_SOS_B_STR-EKGRP sy-vline 
WA_CDS_M_OA_SOS_B_STR-LGORT sy-vline 
WA_CDS_M_OA_SOS_B_STR-MATKL sy-vline 
WA_CDS_M_OA_SOS_B_STR-RESWK sy-vline 
WA_CDS_M_OA_SOS_B_STR-RESLO sy-vline 
WA_CDS_M_OA_SOS_B_STR-SOBKZ sy-vline 
WA_CDS_M_OA_SOS_B_STR-WEBAZ sy-vline 
WA_CDS_M_OA_SOS_B_STR-PLIFZ sy-vline 
WA_CDS_M_OA_SOS_B_STR-VERID sy-vline 
WA_CDS_M_OA_SOS_B_STR-EMLIF sy-vline 
WA_CDS_M_OA_SOS_B_STR-LBLKZ sy-vline 
WA_CDS_M_OA_SOS_B_STR-LPHIS sy-vline 
WA_CDS_M_OA_SOS_B_STR-RDPRF sy-vline 
WA_CDS_M_OA_SOS_B_STR-KNTTP sy-vline 
WA_CDS_M_OA_SOS_B_STR-KZVBR sy-vline 
WA_CDS_M_OA_SOS_B_STR-KANBA sy-vline 
WA_CDS_M_OA_SOS_B_STR-PRIORITY sy-vline 
WA_CDS_M_OA_SOS_B_STR-PROCSTAT sy-vline 
WA_CDS_M_OA_SOS_B_STR-VBELN sy-vline 
WA_CDS_M_OA_SOS_B_STR-VBELP sy-vline 
WA_CDS_M_OA_SOS_B_STR-ZEKKN sy-vline 
WA_CDS_M_OA_SOS_B_STR-PS_PSP_PNR sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.